Corkscrew



FIG. 1 is a front perspective view of a first embodiment of a corkscrewaccording to the present design;

FIG. 2 is a left side elevational view of the corkscrew of FIG. 1;

FIG. 3 is a top plan view of the corkscrew of FIG. 1;

FIG. 4 is a bottom plan view of the corkscrew of FIG. 1;

FIG. 5 is a rear elevational view of the corkscrew of FIG. 1;

FIG. 6 is a right side elevational view of the corkscrew of FIG. 1;

FIG. 7 is a front elevational view of the corkscrew of FIG. 1;

FIG. 8 is a left side elevational view of a second embodiment of acorkscrew according to the design;

FIG. 9 is a rear elevational view of the corkscrew of FIG. 8;

FIG. 10 is a front elevational view of the corkscrew of FIG. 8;

FIG. 11 is a right side elevational view of the corkscrew of FIG. 8;

FIG. 12 is a top plan view of the corkscrew of FIG. 8; and,

FIG. 13 is a bottom plan view of the corkscrew of FIG. 8.

The ornamental design for a corkscrew, as shown and described.